Material clamping device applied to cold header

Abstract

The utility model relates to the field of clamping devices, in particular to a material clamping device applied to a cold header. The technical problems that when a material clamping device carries out cold heading, due to the influence of synchronous vibration, materials are loosened or moved in the machining process and deviate, parts and a cold heading structure of the materials are damaged, and the overall using effect is reduced are solved. According to the technical scheme, the material clamping device applied to the cold header comprises a first balance frame, a second balance frame, a cold heading control module, a mold assembly and a material clamping protection assembly; cold heading stamping control adjustment can be achieved through the cold heading control module, the die assembly corresponds to the cold heading control module and can conduct material cold heading treatment operation, the material clamping protection assembly and the die assembly are correspondingly arranged and used for clamping materials, protection and deviation prevention operation can be conducted, and the overall material clamping protection stability performance is improved.

Description

Technical Field

[0001] The utility model relates to the field of clamping devices, in particular to a material clamping device used for a cold heading machine. Background Art

[0002] Cold heading machine is a special equipment mainly used for batch production of nuts, bolts and other fasteners. It is a stamping processing machine in mechanical manufacturing. The material clamping device of cold heading machine is a device used to clamp and fix materials. It is widely used in cold heading machine production lines. Material clamping refers to fixing the material on the cold heading machine through a special clamping device for subsequent processing operations. The existing material clamping device is used to fix the material. When cold heading is performed, due to the influence of synchronous vibration, the material becomes loose or moves during the processing, resulting in deviation, causing damage to its parts and cold heading structure, reducing the overall use effect; so we proposed a material clamping device applied to cold heading machine to solve the above problems. Utility Model Content

[0003] In order to overcome the problem that the material clamping device loosens or moves during processing due to the influence of synchronous vibration during cold heading, resulting in deviation, which damages its parts and cold heading structure and reduces the overall use effect.

[0004] The technical solution of the utility model is: a material clamping device applied to a cold heading machine, comprising a first balancing frame, a second balancing frame, a cold heading control module, a die assembly and a material clamping protection assembly; a second balancing frame is linearly correspondingly arranged below the first balancing frame, a plurality of groups of cold heading control modules for cold heading stamping control adjustment are transversely arranged on the first balancing frame, a plurality of groups of die assemblies corresponding to the cold heading control modules for material cold heading processing operations are transversely arranged on the second balancing frame, and a plurality of groups of material clamping protection assemblies corresponding to the cold heading control modules and the die assemblies for clamping materials for protection against deflection are transversely arranged on the outer side of the second balancing frame.

[0005] Preferably, the connecting column and the protective half ring are connected and installed according to needs, the cold forging stamping control and adjustment can be performed through the cold forging control module, the mold assembly and the cold forging control module can perform material cold forging processing operations correspondingly, and the material clamping protection assembly and the mold assembly are correspondingly set to clamp the material to perform protection against deflection operations, thereby improving the overall material clamping protection stability performance.

[0006] Preferably, a plurality of groups of protective half rings used with material clamping protection components are laterally arranged on the outer side of the first balancing frame, connecting columns are arranged at both ends of the first balancing frame, and a clamping sleeve is arranged at the end of the connecting column away from the first balancing frame, and connecting sleeves are arranged at both ends of the second balancing frame. The first balancing frame and the second balancing frame are installed by means of the connecting sleeves and the clamping sleeves, so that the materials are transmitted in a horizontal direction for sequential cold heading operations.

[0007] Preferably, the cold heading control module includes a first hydraulic cylinder, a stamping die and a guide sleeve. The lower end of the stamping die is provided with a guide sleeve. The first hydraulic cylinder drives the stamping die to drive the guide sleeve to move downward. The first hydraulic cylinder drives the stamping die to drive the guide sleeve to move downward to perform downward stamping cold heading.

[0008] Preferably, the mold assembly includes a model sleeve, a shock-absorbing ring, a stamping space, a second hydraulic cylinder, a hydraulic rod, a support module, a sleeve, a shock-absorbing spring, a pressure plate, an airbag sleeve, an elastic clamping claw, a separating strip and a spring column. A shock-absorbing ring is provided along the outer side of the model sleeve, a stamping space is opened in the center of the model sleeve, a support module is provided inside the stamping space, a hydraulic rod is provided at the lower end of the support module, and the second hydraulic cylinder drives the hydraulic rod to drive the support module to lift and lower, and the second hydraulic cylinder drives the hydraulic rod to drive the support module to lift and lower to push out the material for transportation.

[0009] Preferably, the material supporting module includes a protective sleeve, a shock-absorbing spring, a pressure plate, an airbag sleeve, an elastic clamping claw, a separating strip and a spring column. The outer side of the shock-absorbing spring is covered with a protective sleeve, the interior of the shock-absorbing spring is provided with a spring damper, the top of the shock-absorbing spring is provided with a pressure plate, an elastic clamping claw is provided around the outer edge of the pressure plate, a spring column is provided between the elastic clamping claw and the pressure plate, a spring damper is provided inside the spring column, a separating strip is provided on the inner side of the elastic clamping claw, shock-absorbing holes are evenly distributed on the pressure plate, and a pressure sensor is provided inside the shock-absorbing hole. As the material sinks, the pressure plate is subjected to force and the pressure sensor senses it.

[0010] Preferably, the material clamping and protection assembly includes a support sleeve, a first push rod, a first telescopic cylinder, a second push rod, a stabilizing sleeve, a second telescopic cylinder, an extension frame, a ring claw, a rotating shaft, a driver, a magnetic buckle and a visual camera. The first push rod is provided with a support sleeve, and the first telescopic cylinder drives the first push rod to drive the support sleeve to move and adjust the distance direction.

[0011] Preferably, a second push rod is provided at the upper end of the support sleeve, a stabilizing sleeve is provided on the second push rod, the second telescopic cylinder drives the second push rod to drive the displacement operation of the stabilizing sleeve, an extension frame is provided at the outer end of the stabilizing sleeve, a plurality of groups of ring claws are provided at the end of the extension frame away from the stabilizing sleeve, the plurality of groups of ring claws are surrounded to form a clamping ring, a rotating shaft is provided between the two groups of ring claws, the driver drives the rotating shaft to drive the two groups of ring claws to open and close, a magnetic buckle is provided along the upper edge of the end of the ring claw away from the rotating shaft, and plug-in holes are distributed on the ring claws, a visual camera is provided in the center of the extension frame, the driver drives the rotating shaft to drive the two groups of ring claws to open and close, so that the magnetic buckles are combined and connected, and the corresponding ring plates can be installed using the plug-in holes to adapt to the material parts.

[0012] Beneficial effects of the utility model:

[0013] 1. In the past, when cold heading was performed, due to the influence of synchronous vibration, the material became loose or moved during the processing, resulting in deflection, which damaged its parts and the cold heading structure and reduced the overall use effect. The first balance frame and the second balance frame form a two-way balanced support structure, which is connected and installed with the connecting column and the protective half ring according to the needs. The cold heading stamping control and adjustment can be achieved through the cold heading control module, and the mold assembly and the cold heading control module can be used to perform material cold heading processing operations. The corresponding settings of the material clamping protection assembly and the mold assembly are used to clamp the material to perform protection and anti-deflection operations, thereby improving the overall material clamping and protection stability performance.

[0014] 2. When clamping materials, the first telescopic cylinder drives the first push rod to drive the support sleeve to move and adjust the distance direction. The second telescopic cylinder drives the second push rod to drive the stabilizing sleeve to move and reach the corresponding height. The visual camera can observe the internal clamping state in time. The driver drives the rotating shaft to drive the two sets of ring claws to open and close, so that the magnetic buckles can be combined and connected. The corresponding ring plate can be installed using the plug-in hole to adapt to the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cold heading control module of the utility model;

[0017] Figure 3 It is a schematic diagram of the mold assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of a support module of the utility model;

[0019] Figure 5 It is a schematic diagram of the material clamping and protecting component of the present utility model.

[0020] Description of the accompanying drawings: 1. first balance frame; 2. second balance frame; 3. cold heading control module; 4. die assembly; 5. material clamping protection assembly; 101. connecting column; 102. protective half ring; 103. ferrule; 201. connecting sleeve; 301. first hydraulic cylinder; 302. stamping die; 303. guide sleeve; 401. model sleeve; 402. shock absorbing ring; 403. stamping space; 404. second hydraulic cylinder; 405. supporting module; 406. hydraulic rod; 407. sheath; 4 08. shock-absorbing spring; 409. pressure plate; 410. airbag cover; 411. shock-absorbing hole; 412. elastic clamping claw; 413. partitioning strip; 414. spring column; 501. support sleeve; 502. first push rod; 503. first telescopic cylinder; 504. second push rod; 505. stabilizing sleeve; 506. second telescopic cylinder; 507. extension frame; 508. ring claw; 509. rotating shaft; 510. driver; 511. magnetic buckle; 512. plug-in hole; 513. visual camera. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-2 The utility model provides an embodiment: a material clamping device used for a cold heading machine, comprising a first balancing frame 1, a second balancing frame 2, a cold heading control module 3, a die assembly 4 and a material clamping protection assembly 5; a second balancing frame 2 is linearly arranged below the first balancing frame 1, a plurality of groups of cold heading control modules 3 for cold heading stamping control adjustment are transversely arranged on the first balancing frame 1, a plurality of groups of die assemblies 4 corresponding to the cold heading control modules 3 for material cold heading processing operations are transversely arranged on the second balancing frame 2, and a plurality of groups of material clamping protection assemblies 5 corresponding to the cold heading control modules 3 and the die assembly 4 for clamping materials for protection against deflection are transversely arranged on the outer side of the second balancing frame 2.

[0023] See also Figure 3-4 In this embodiment, a plurality of protective half rings 102 for use with the material clamping protection assembly 5 are laterally arranged on the outer side of the first balancing frame 1, connecting columns 101 are arranged at both ends of the first balancing frame 1, and a clamping sleeve 103 is arranged at one end of the connecting column 101 away from the first balancing frame 1, and connecting sleeves 201 are arranged at both ends of the second balancing frame 2. The first balancing frame 1 and the second balancing frame 2 are installed by the connecting sleeve 201 and the clamping sleeve 103, so that the material is transmitted from a horizontal direction to perform cold heading operations in sequence, and the cold heading control module 3 includes a first hydraulic cylinder 301, a punching die 302 and a guide sleeve 303. The lower end of the punching die 302 is provided with a guide sleeve 303, and the first hydraulic cylinder 301 drives the punching die 302 to drive the guide sleeve 303 to move downward, and the first hydraulic cylinder 301 drives the punching die 302 to drive the guide sleeve 303 to move downward, so as to perform downward punching cold heading.

[0024] See also Figure 3-4 In this embodiment, the mold assembly 4 includes a model sleeve 401, a shock absorbing ring 402, a stamping space 403, a second hydraulic cylinder 404, a hydraulic rod 406, a supporting module 405, a sleeve 407, a shock absorbing spring 408, a pressure plate 409, an airbag sleeve 410, an elastic clamping claw 412, a separating card strip 413 and a spring column 414. The outer side of the model sleeve 401 is sleeved with a shock absorbing ring 402 along the outer side, and a stamping space 403 is opened in the center of the model sleeve 401. A supporting module 405 is arranged inside the stamping space 403. A hydraulic rod 406 is arranged at the lower end of the supporting module 405. The second hydraulic cylinder 404 drives the hydraulic rod 406 to drive the supporting module 405 to lift and lower. The second hydraulic cylinder 404 drives the hydraulic rod 406 to drive the supporting module 405 to lift and lower to push out the material for transportation. The module 405 includes a sheath 407, a shock-absorbing spring 408, a pressure plate 409, an airbag cover 410, an elastic clamping claw 412, a separating strip 413 and a spring column 414. The outer side of the shock-absorbing spring 408 is covered with a sheath 407, the interior of the shock-absorbing spring 408 is provided with a spring damper, the top of the shock-absorbing spring 408 is provided with a pressure plate 409, the outer edge of the pressure plate 409 is surrounded by an elastic clamping claw 412, a spring column 414 is provided between the elastic clamping claw 412 and the pressure plate 409, the interior of the spring column 414 is provided with a spring damper, the inner side of the elastic clamping claw 412 is provided with a separating strip 413, the pressure plate 409 is evenly provided with shock-absorbing holes 411, the interior of the shock-absorbing holes 411 is provided with a pressure sensor, as the material sinks, the pressure plate 409 is subjected to force, and the pressure sensor senses it.

[0025] See also Figure 3-4In this embodiment, the material clamping protection component 5 includes a support sleeve 501, a first push rod 502, a first telescopic cylinder 503, a second push rod 504, a stabilizing sleeve 505, a second telescopic cylinder 506, an extension frame 507, a ring claw 508, a rotating shaft 509, a driver 510, a magnetic buckle 511 and a visual camera 513. The first push rod 502 is sleeved with a support sleeve 501, and the first telescopic cylinder 503 drives the first push rod 502 to drive the support sleeve 501 to move and adjust the distance direction. The upper end of the support sleeve 501 is provided with a second push rod 504, and the second push rod 504 is sleeved with a stabilizing sleeve 505. The second telescopic cylinder 506 drives the second push rod 504 to drive the stabilizing sleeve 505 to move and stabilize. An extension frame 507 is provided at the outer end of the fixing sleeve 505. A plurality of groups of ring claws 508 are provided at one end of the extension frame 507 away from the fixing sleeve 505. The plurality of groups of ring claws 508 are surrounded to form a clamping ring. A rotating shaft 509 is provided between two groups of ring claws 508. A driver 510 drives the rotating shaft 509 to drive the two groups of ring claws 508 to open and close. A magnetic buckle 511 is provided along the edge of one end of the ring claw 508 away from the rotating shaft 509. Plug holes 512 are distributed on the ring claw 508. A visual camera 513 is provided at the center of the extension frame 507. The driver 510 drives the rotating shaft 509 to drive the two groups of ring claws 508 to open and close, so that the magnetic buckle 511 is combined and connected. The plug hole 512 can be used to install the corresponding ring plate to adapt the material.

[0026] During operation, the first balance frame 1 and the second balance frame 2 are installed through the connecting sleeve 201 and the clamping sleeve 103, so that the material is transmitted from a horizontal direction for cold heading operation in sequence, and the first hydraulic cylinder 301 drives the punching die set 302 to drive the guide sleeve 303 to move downward, and performs downward punching and cold heading. As the material sinks, the pressure plate 409 is subjected to force, and the pressure sensor senses it. The second hydraulic cylinder 404 drives the hydraulic rod 406 to drive the supporting die set 405 to move up and down to push out the material for transportation, and the insertion is used to The connecting hole 512 can be installed with a corresponding ring plate to adapt to the material part. The first telescopic cylinder 503 drives the first push rod 502 to drive the support sleeve 501 to move and adjust the distance direction. The second telescopic cylinder 506 drives the second push rod 504 to drive the stabilizing sleeve 505 to move and reach a corresponding height. The visual camera 513 can be used to observe the internal clamping state in time. The driver 510 drives the rotating shaft 509 to drive the two sets of ring claws 508 to open and close, so that the magnetic buckle 511 can be combined and connected.

[0027] Through the above steps, the connecting column 101 and the protective half ring 102 are connected and installed according to needs, the cold forging stamping control and adjustment can be performed through the cold forging control module 3, the mold assembly 4 and the cold forging control module 3 can perform material cold forging processing operations accordingly, and the material clamping protection assembly 5 and the mold assembly 4 are correspondingly set to clamp the material to perform protection and anti-bias operations, thereby improving the overall material clamping protection stability performance.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A material clamping device for a cold heading machine, comprising a first balancing frame (1); characterized in that: The invention also comprises a second balancing frame (2), a cold heading control module (3), a die assembly (4) and a material clamping protection assembly (5); the second balancing frame (2) is linearly arranged below the first balancing frame (1); a plurality of cold heading control modules (3) for cold heading stamping control and adjustment are arranged transversely on the first balancing frame (1); a plurality of die assemblies (4) for cold heading processing operations of materials corresponding to the cold heading control modules (3) are arranged transversely on the second balancing frame (2); a plurality of material clamping protection assemblies (5) for clamping materials for protection and preventing deviation are arranged transversely on the outer side of the second balancing frame (2) and are arranged corresponding to the cold heading control modules (3) and the die assembly (4).

2. The material clamping device for cold heading machine according to claim 1, characterized in that: A plurality of protective half rings (102) for use with the material clamping protection assembly (5) are laterally arranged on the outer side of the first balancing frame (1), connecting columns (101) are arranged at both ends of the first balancing frame (1), a clamping sleeve (103) is arranged at one end of the connecting column (101) away from the first balancing frame (1), and connecting sleeves (201) are arranged at both ends of the second balancing frame (2).

3. The material clamping device for cold heading machine according to claim 1, characterized in that: The cold heading control module (3) comprises a first hydraulic cylinder (301), a punching die (302) and a guide sleeve (303); the guide sleeve (303) is provided at the lower end of the punching die (302); the first hydraulic cylinder (301) drives the punching die (302) to drive the guide sleeve (303) to move downward.

4. The material clamping device for cold heading machine according to claim 1, characterized in that: The mold assembly (4) comprises a model sleeve (401), a shock absorbing ring (402), a punching space (403), a second hydraulic cylinder (404), a hydraulic rod (406), a material supporting module (405), a protective sleeve (407), a shock absorbing spring (408), a pressure plate (409), an air bag sleeve (410), an elastic clamping claw (412), a separating clamping strip (413) and a spring column (414). The outer side of the model sleeve (401) is provided with a shock absorbing ring (402) along the outer edge thereof, a punching space (403) is provided at the center of the model sleeve (401), a material supporting module (405) is provided inside the punching space (403), a hydraulic rod (406) is provided at the lower end of the material supporting module (405), and the second hydraulic cylinder (404) drives the hydraulic rod (406) to drive the material supporting module (405) to move up and down.

5. The material clamping device for cold heading machine according to claim 4 is characterized in that: The support module (405) comprises a protective sleeve (407), a shock absorbing spring (408), a pressure plate (409), an airbag sleeve (410), an elastic clamping claw (412), a separation clip (413) and a spring column (414). The outer side of the shock absorbing spring (408) is covered with a protective sleeve (407), the interior of the shock absorbing spring (408) is provided with a spring damper, the top of the shock absorbing spring (408) is provided with a pressure plate (409), the outer edge of the pressure plate (409) is surrounded by an elastic clamping claw (412), a spring column (414) is provided between the elastic clamping claw (412) and the pressure plate (409), the interior of the spring column (414) is provided with a spring damper, the inner side of the elastic clamping claw (412) is provided with a separation clip (413), the pressure plate (409) is evenly provided with shock absorbing holes (411), and the interior of the shock absorbing holes (411) is provided with a pressure sensor.

6. The material clamping device for cold heading machine according to claim 1, characterized in that: The material clamping protection component (5) comprises a support sleeve (501), a first push rod (502), a first telescopic cylinder (503), a second push rod (504), a stabilizing sleeve (505), a second telescopic cylinder (506), an extension frame (507), a ring claw (508), a rotating shaft (509), a driver (510), a magnetic buckle (511) and a visual camera (513). The support sleeve (501) is sleeved on the first push rod (502), and the first telescopic cylinder (503) drives the first push rod (502) to drive the support sleeve (501) to move.

7. The material clamping device for cold heading machine according to claim 6, characterized in that: A second push rod (504) is provided at the upper end of the support sleeve (501), a stabilizing sleeve (505) is provided on the second push rod (504), a second telescopic cylinder (506) drives the second push rod (504) to drive the stabilizing sleeve (505) to move, an extension frame (507) is provided at the outer end of the stabilizing sleeve (505), a plurality of groups of ring claws (508) are provided at one end of the extension frame (507) away from the stabilizing sleeve (505), the plurality of groups of ring claws (508) are surrounded to form a clamping ring, a rotating shaft (509) is provided between two groups of ring claws (508), a driver (510) drives the rotating shaft (509) to drive the two groups of ring claws (508) to open and close, a magnetic buckle (511) is provided along the upper edge of one end of the ring claw (508) away from the rotating shaft (509), plug holes (512) are distributed on the ring claw (508), and a visual camera (513) is provided at the center of the extension frame (507).

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